Second title-page in French. Includes a contribution in French.
Simultaneously published in 'Pure and Applied Chemistry'. Vol.16, no.1(1968)
Organic photochemistry : plenary lectures presented at the Second International Symposium on Photochemistry held at the Technical University Twente, Enschede, The Netherlands, 16-22 July, 1967: [organ. ISBN 0408894415. Published by Butterworths in 1968. Publication and catalogue information, links to buy online and reader comments.